×

Apparatus for the study and testing participants of a study problem and a method of making same

  • US 2,961,777 A
  • Filed: 08/30/1955
  • Issued: 11/29/1960
  • Est. Priority Date: 08/30/1955
  • Status: Expired due to Term
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
11
Forward Citations
0
Assignments
First Claim
Patent Images

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×