[Drumbo]

And, amongst all that, he invented the waterbed.

AutoCad as well (Drafting Dan).

Don't forget that he also invented the robotic arm (Waldo - 1942 using the pseudonym Anson Macdonald) See: http://www.technovelgy.com/ct/content.asp?Bnum=23 and the powered armoured suit now being developed by our military (Starship Troopers - 1959). See: http://www.freerepublic.com/focus/news/798543/posts?page=32#32

Had Heinlein taken patents on his ideas, he'd have been extremely wealthy. His contributions to our society are immeasurable.

[Bender2]

Go to http://www.technovelgy.com/ct/AuthorTotalAlphaList.asp?AuNum=2 for a full listing of the many things old Bob dreamed up...

Such as...

Air Blast - the first air dryer
Coventry (1940)

Astrogation (to Astrogate) - steer to the stars
Methuselah’s Children (1941)

Audio Relay - personal RFID transceiver
The Puppet Masters (1951)

Autocab
Between Planets (1951)

Automatic Light Switch
The Man Who Sold The Moon (1950)

Barrier (Force Field) - force field fence
Coventry (1940)

Bounce Tube - pneumatic tube system for people
Double Star (1956)

Broomstick Speedster
Waldo (1942)

Camden Speedster - compare this to an SUV
Methuselah’s Children (1941)

To name just a very, very, very few...