![](images/77330.jpg)
Shape: Patents
Contributor: Sid Lethbridge
![](images/77325.jpg)
Shape: Miscellaneous
Contributor: Bill Klea
![](images/77326.jpg)
Shape: Miscellaneous
Contributor: Bill Klea
![](images/77327.jpg)
Shape: Miscellaneous
Contributor: Bill Klea
![](images/77328.jpg)
Shape: Patents
Contributor: Sid Lethbridge
![](images/77329.jpg)
Shape: Patents
Contributor: Sid Lethbridge
![](images/77331.jpg)
Shape: Miscellaneous
Contributor: Bill Klea
![](images/77332.jpg)
Shape: Patents
Contributor: Sid Lethbridge
![](images/77333.jpg)
Shape: Patents
Contributor: Sid Lethbridge