Searching US Patent Collection...
Results of Search in US Patent Collection db for:
((IN/John AND IN/Valachovic) AND AN/RCA)
: 2 patents.
Hits
1
through
2
out of
2
PAT. NO.
Title
1
4,349,902
Piezoelectric transducer for recording video information
2
4,189,746
Method and apparatus for determining focus conditions
![[US Patent & Trademark Office, Patent Full Text and Image Database]](/netaicon/PTO/patfthdr.gif)
![[Home]](/netaicon/PTO/home.gif)
![[Boolean Search]](/netaicon/PTO/boolean.gif)
![[Manual Search]](/netaicon/PTO/manual.gif)
![[Number Search]](/netaicon/PTO/number.gif)
![[Help]](/netaicon/PTO/help.gif)
![[Bottom]](/netaicon/PTO/bottom.gif)
![[View Shopping Cart]](/netaicon/PTO/cart.gif)
![[Top]](/netaicon/PTO/top.gif)